user_defined_functions

class ansys.fluent.core.generated.solver.settings_271.user_defined_functions(name=None, parent=None)

Bases: Group

Registers user-defined functions (UDFs) for customizing the particle behavior.

Attributes

Attribute	Summary
scalar_update	Specifies a UDF to update user-defined particle scalars.
body_force	Specifies a UDF for custom particle body forces.
erosion_accretion	Specifies a UDF for custom erosion or accretion modeling.
output	Specifies a UDF for custom particle sampling output.
source_terms	Specifies a UDF for custom particle source terms.
collision	Specifies a UDF for particle stochastic collision modeling.
dpm_time_step_size	Specifies a UDF to control particle trajectory integration time step size.
impingement_model	Specifies a UDF for particle wall impingement modeling.
film_regime	Specifies a UDF for selecting the wall film regime.
splashing_distribution	Specifies a UDF for droplet splashing behavior.
flow_interpolation	Specifies a UDF for custom flow variable interpolation.
number_of_scalars	Sets the number of user-defined scalar values stored per particle.
max_num_udf_species	Sets the maximum number of species available in DPM UDFs.

Included in:

Parent	Summary
discrete_phase	Configures the Discrete Phase Model (DPM) to track particles, droplets, or bubbles in a Lagrangian framework.